IDiyas

For the Inventor, By the Inventor

Hitachinaka, Japan

Masahiko Ibamoto

USPTO Granted Patents = 62

 

Average Co-Inventor Count = 3.9

ph-index = 19

Forward Citations = 1,009(Granted Patents)

Forward Citations (Not Self Cited) = 980(Oct 12, 2025)


Inventors with similar research interests:


Location History:

  • Katsuta, JA (1977 - 1978)
  • Katsuta,, JP (1984)
  • Ibaraki, JP (1980 - 1998)
  • Katsuta, JP (1978 - 2000)
  • Chiyoda-ku, JP (2007)
  • Hitachinaka, JP (1996 - 2009)
  • Tokyo, JP (2009 - 2011)

Company Filing History:

goldMedal59 out of 42,485 
 
Hitachi, Ltd.
 patents
silverMedal8 out of 248 
 
Hitachi Car Engineering Co., Ltd.
 patents
bronzeMedal7 out of 152 
 
Hitachi Automotive Engineering Co., Ltd.
 patents
4. 2 out of 836 
 
Hitachi Cable, Inc.
 patents
5. 1 out of 2 
 
Hitachi, Ltd. and Hitachi Automotive Engineering Co., Ltd.
 patents
6. 1 out of 5 
 
Hitachi, Ltd. and Hitachi Car Engineering Co., Ltd.
 patents
7. 1 out of 832,680 
Other
 patents
where one patent can have more than one assignee

Years Active: 1977-2011

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62 patents (USPTO):
1. 7967721 - Control apparatus for an automatic transmission (2011-06-28),
2. 7632209 - Vehicular drive system and driving method (2009-12-15),
3. 7628720 - Vehicle control apparatus and method (2009-12-08),
4. 7476176 - Automatic transmission, dynamo-electric machine, and car (2009-01-13),
5. 7387043 - Method of changing gears of an automobile, automotive gear shifter, controller for automotive gear shifter, and actuator controller for automotive gear shifter (2008-06-17),
6. 7367917 - Shift change control system and automatic transmission system of automobile (2008-05-06),
7. 7331897 - Active shift transmission, transmission control unit and automobile (2008-02-19),
8. 7226379 - Active shift transmission, transmission control unit and automobile (2007-06-05),
9. 7194926 - Method of changing gears of automobile, automotive gear shifter, controller for automotive gear shifter, and actuator controller for automotive gear shifter (2007-03-27),
10. 7150698 - Power transmission apparatus for automobile (2006-12-19),
11. 7093512 - Automatic transmission, dynamo-electric machine, and car (2006-08-22),
12. 7083545 - Automatic transmission system and automobile using the system (2006-08-01),
13. 6941830 - Automatic transmission, dynamo-electric machine, and car (2005-09-13),
14. 6811515 - Transmission control apparatus for an automatic transmission (2004-11-02),
15. 6685591 - Driving apparatus for a vehicle (2004-02-03),

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